describe the physical processes that affect the environments of regions, including weather, tectonic forces, erosion, and soil-building processes; and
The diagram above illustrates an important scientific theory. What does this theory claim?
A Earth moves around the sun
B Earth’s continents are slowly moving together
C There is little difference in the climatic patterns found on most continents.
D Millions of years ago, Earth’s continents formed one giant continent.
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A farmer sees an area he believes will be good for farming because of its rich topsoil. Which process contributed most to forming this rich topsoil?
A sand storms
B ocean currents
C decaying plant life
D folding of Earth’s Crust
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Which is the best example of weathering?
A the cracking of rocks caused by the freezing and melting of water
B the transportation of sediment in a stream
C the condensation of water vapor into droplets in clouds
D the formation of a sandbar along the side of a stream
Which is the best example of erosion?
A the cracking of rocks caused by the freezing and melting of water
B the transportation of sediment in a stream
C the condensation of water vapor into droplets in clouds
D the rising of magma from divergent plate zones
Which best explains why we experience four seasons on Earth?
A the gravitational pull of the moon
B the distance between the Earth and the sun
C the tilt of the Earth on its axis as it revolves around the sun
D the effect of tectonic plate movement on Earth’s Oceans
The most frequent cause of major earthquakes is the –
A pressure from tectonic plate movement
B occurrence of landslides
C gravitational pull of the moon as it orbits the Earth
D change in underwater currents
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Which of the following is the most accurate general description of the geo-morphology of the African continent?
A It appears as an inclined plane, sloping from north to south.
B It resembles a dinner plate with a sunken interior ringed by weathered mountains.
C It is comparable to a rumpled carpet with high mountains and narrow valleys.
D It resembles a raised platform edged by narrow coastlines.
Which conclusion is best supported by the climate graph?
A This city is part of a tropical rainforest.
B This city is subject to seasonal flooding.
C This city is located in a high-latitude climate zone.
D This city is experiencing severe drought.